Use the given information to answer the question.The height of a baseball that is thrown from ground level with an initial velocity of 72 feet per second can be modeled by h = -16t2 + 72t. Use this model to find the height of the ball after 2.5 seconds.
A. 280 ft
B. 80 ft
C. 100 ft
D. -80 ft
Answer: B
Mathematics
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A. 36.65 yr B. 9.45 yr C. 25.63 yr D. 9.16 yr
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A. -1 B. i C. 1 D. -i
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Determine if matrix A is invertible.A =
A. Invertible B. Not invertible
Mathematics
Solve the problem.Use the tables to find (f + g)(2).
A. 8 B. -3 C. 18 D. 2
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